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My cat peeing after urinary blockage treatment, not eating. Vet visit?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Longhair | Male | neutered | 1 year and 8 months old | 13 lbs

My cat had a urinary blockage and he left the vet today. He's taking clavamox and a pain medicine. When he was there he was eating/drinking fine and using the litter box. Since bringing him home 9 hours ago he has peed in my car, on the floor, in the litter box, and on me. He's been in and out of the litter box but not peeing very much. He doesn't have much interest in his food which is EXTREMELY unlike him. Is this cause for concern enough to take him back to the vet?

1 Answer

Most Helpful Answer

David Elbeze, DVM, MRCVS

Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on July 17th, 2018

You just took him back from the vet and he has been urinating so far. clavamox is an antibiotic that often affects the appetite, the pain killers can do that as well. unless you have reasons to believe he is blocked again i would recommend to wait until tomorrow, if he is not eating by then you should take him back to the vet. don't forget that this condition is often caused due to stress and your main aim is to reduce his stress at the moment, taking him home and back to the vet may add more stress on him and can worsen his condition. stay in touch with your vet on the phone if you are in any doubts.
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